O2 Oxygen Sensor Universals of 2025
Best Choice1
Michigan MotorsportsMichigan Motorsports Bosch 17025 Wideband Oxygen Sensor - LSU 4.9 O2 Sensor - Universal Wideband Air/Fuel Ratio Sensor - 5-Wire LSU4.9
Main highlights- Universal Fitment with Industry-Standard Connector – Features a 5-wire configuration and standard connector plug that integrates easily with most aftermarket wideband O2 sensor harnesses.
- Trusted Sensor for Wideband Controllers & Tuning Devices – Compatible with popular wideband systems including AEM, Innovate, Holley EFI, and more, making it a go-to choice for tuners and shops.
- Ideal for EFI, Dyno Calibration & Performance Builds – Whether you're dialing in AFR on the dyno or logging data on the street, this sensor ensures precise AFR control for optimal combustion and power.
- Genuine Bosch 17025 LSU 4.9 Wideband Oxygen Sensor – Delivers high-precision air/fuel ratio readings critical for engine tuning, emissions control, and performance calibration in a wide range of applications.
- Advanced LSU 4.9 Sensor Design for Faster Response & Longevity – Built with Bosch’s latest wideband technology, the LSU 4.9 offers enhanced accuracy, stability, and long service life, even under high-heat, high-load conditions.
9.6Exceptional
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Value for Money2
CNRAQRCNRAQR Air/Fuel Ratio Gauge Kit with LSU 4.9 Sensor and Controller Box Wideband UEGO 30-0300 X Ultra-Thin Round Digital AFR O2 Oxygen Sensor Controller Universal Gauge
Why we love it
Easy installation process.
Real-time feedback with high accuracy.
Flexible and customizable controller.
9.5Excellent
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3
Bosch AutomotiveBOSCH 15733 Premium Universal Fitment Oxygen Sensor
Main highlights- [UNIVERSAL FIT] - Includes OE Smart Link Connector that requires no soldering and two feet of sensor wire to allow maximum replacement of worn or damaged harnesses - the ideal solution when factory connectors aren't usable
- [SUPERIOR PERFORMANCE] - Every Bosch Oxygen Sensor benefits from the technological and manufacturing experience gained from decades of production since the first Oxygen Sensor was invented in the late 1960's, ensuring long-lasting, superior performance
- [STAINLESS STEEL BODY] - Stainless steel body is totally submersible and sealed tight to protect against damage from exhaust emissions — ensuring longer sensor service life
- [FOR USE WITH DAMAGED VEHICLE SIDE CONNECTORS/CABLES] - Bosch Universal Oxygen Sensors are designed for situations where the original vehicle side connectors/cables are too damaged to be reused with an exact fit oxygen sensor
- [FACTORY TESTED] - Each sensor meets Bosch's rigorous standards for quality and performance and undergoes a fully functional quality test before leaving the factory to ensure operation within design specifications
- Compatible with select vehicles (Note: verify specific fitment details, including sensor position, with fit checker above)
9.3Excellent
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4
DENSODenso 234-4209 Universal Oxygen Sensor with 11.5” 4-Wire Harness (connectors not included)
Main highlights- Stainless steel housing and porous Teflon filter all contribute to make a long life
- Prevents premature sensor failure
- Manufactured to the highest O.E. quality, guaranteed to fit right
- Improved engine performance and greater fuel efficiency
- Does NOT include the connectors
- Aluminum oxide trap, this extra layer helps to protect from silicone and lead poisoning
9.2Excellent
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5
NYXOVANYXOVA 7PCS Oxygen Sensor Socket, Universal O2 Sensor Removal & Installation Tool Kit with 22mm, 27mm, 29mm Sockets for All Vehicles, Automotive O2 Oxygen Sensor Socket Offset Wrench Remover Tool
Main highlights- Premium-Grade Construction: Crafted from heat-treated chrome vanadium and chrome molybdenum steel, this 7-piece oxygen sensor socket set boasts a durable black oxide finish for enhanced corrosion resistance. Built for maximum strength and superior durability, it guarantees long-lasting performance, even under high pressure and extreme conditions.
- Convenient Storage and Organization: The set is neatly organized in a sturdy plastic case with precision-sized compartments, ensuring easy access, safe storage, and effortless transport. This thoughtful design helps keep your tools organized, extends their lifespan, and ensures they’re always ready for use when needed.
- Comprehensive Set for Diverse Applications: This complete 7-piece socket set includes a variety of sizes and accessories, making it ideal for the removal and installation of oxygen sensors, oil pressure sending units, vacuum switches, and thermal sensor switches. It’s a must-have addition to any mechanic’s toolkit, offering versatility and efficiency for a wide range of automotive repairs.
- Broad Compatibility: This versatile oxygen sensor socket set is universally compatible with Audi, BMW, Mercedes, Volkswagen, and many more. With sizes ranging from 22mm (7/8”), 27mm, and 29mm, it is designed for both heated and non-heated oxygen sensors. The set also works with both 3/8” and 1/2” ratchets, providing flexibility for various automotive repair tasks.
- Advanced Design for Effortless Operation: Featuring a 6-point high-torque design and a slotted opening, this tool allows for the seamless removal of oxygen sensors while the wiring harness remains intact. The slotted design prevents damage to delicate wires and provides extra leverage, making it ideal for working in tight or hard-to-reach areas.
9.0Excellent
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6
DENSODenso 234-4050 Oxygen Sensor
Main highlights- Stainless steel housing and porous Teflon filter all contribute to make a long life
- Prevents premature sensor failure
- Improved engine performance and greater fuel efficiency
- Aluminum oxide trap, this extra layer helps to protect from silicone and lead poisoning
8.9Very Good
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7
Walker ProductsWalker Products 350-31018 Oxygen Sensor, Original Equipment Replacement Premium O2 Sensor
Main highlights- Plasma sprayed protective coating, and High Temperature Sleeving
- Laser welded body and shield
- Industry proven performance - approved by professional technicians nationwide
- Dual lower shield design, ceramic element
- 100% OE Replacement
8.8Very Good
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8
YuYBrightmiYuYBrightmi 10 Piece Oxygen Sensor Socket Set Oxygen Sensor Removal Tool Set O2 Sensor Socket Set, Universal Oxygen Sensor
Main highlights- Universal Tool Compatibility – Fits 1/2-inch square drives for use with standard ratchets, breaker bars, or hand wrenches (not compatible with impact tools; driver tools not included).
- Remove Sensors with Ease – Quickly and safely remove oxygen sensors, oil pressure sending units, fuel injectors, and vacuum switches without damaging surrounding components, thanks to specially designed sockets with cutout sides.
- Heavy-Duty Construction – Built from high-quality high carbon steel material steel with a black oxide finish for maximum strength, durability, and corrosion resistance.
- Fits Most Vehicles – Universal design makes this sensor removal tool kit suitable for use with a wide variety of domestic and imported vehicles.
- Complete 10-Piece Set – Includes a wide range of socket sizes to handle most O2 sensor and oil pressure sending unit jobs, all precisely sized for a universal fit.
8.7Very Good
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9
QIJIAUTOQIJIAUTO O2 Oxygen Sensor Upstream Downstream Compatible for Hyundai Elantra 2001-2012 for Hyundai Accent 2000-2011 SG1695 2PCS
Main highlights- TIPS - Please check your part picture and our picture, it must be exactly the same. Please make sure that the body and engine of your vehicle are the same as our description. Otherwise it will not be suitable for your car. This can save you time and cost.
- PROCUCT DETAIL IMFORMATION - Wires: 4, Package Includes: 2 x O2 Sensor;
- FUNCTION - Our sensor can solve the fault light, reduce fuel consumption, solve jitter, be safe, stable, durable, accelerate smoothly, and improve the overall vehicle operation performance.
- FITMENT - O2 sensor fit for for Hyundai Accent 2000-2011,for Hyundai Elantra 2001-2012,for Hyundai Tiburon 2003-2008,for Hyundai Tucson 2005-2009,for Kia Rio 2006-2011,for Kia Rio5 2006-2011,for Kia Soul 2010-2011,for Kia Spectra 2004-2009,for Kia Spectra5 2005-2009,for Kia Sportage 2005-2010
- ADVANTAGE - The unique protective layer can effectively prevent poisoning and permanent damage of the sensor unit.Silver alloy melting point joint to help installation.Processed according to the size of the original vehicle, it has wide applicability ,smooth acceleration, and good quality. Using our sensor can greatly reduce the increase in fuel costs and improve engine performance and fuel economy.
8.5Good
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10
ZHSYMXZHSYMX Universal Digital Wideband Air/Fuel Ratio AFR Gauge - 2"(52mm) with LSU4.9 Sensor - Wideband UEGO AFR O2 Oxygen Sensor Controller Gauge
Main highlights- 【Versatile design】: In addition to measuring and displaying the air/fuel ratio, the Air/Fuel Ratio Gauge also features a broadband measurement and digital display.
- 【Universally Of Application】The size of this Air fuel ratio gauge is 2"(52mm) that fits in a variety of instrument pods, and is compatible with a wide range of engine management systems and data loggers, providing even broader compatibility.Compatible with vehicle/system voltages up to 16V.
- 【Function】The Air Fuel Gauge provide real-time feedback with high accuracy and fast response time, and the digital wideband technology gives these controllers the ability to read and report values.
- 【Excellent Service】Your Shopping Experience is Our Priority. Dedicated to Delivering High-Quality Products and Exceptional Service. Reach Out to Us for Prompt and Reliable Answers to Your Inquiries.
- 【Easy To Install】With a standard 52mm housing for easy installation, and it never requires free-air calibration when used with our wideband.
8.3Good
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